org.ihtsdo.otf.refset.api.authentication.UserController.java Source code

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/**
* Copyright 2014 IHTSDO
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ihtsdo.otf.refset.api.authentication;

import java.util.HashMap;
import java.util.Map;

import org.ihtsdo.otf.refset.common.Result;
import org.ihtsdo.otf.refset.common.Utility;
import org.ihtsdo.otf.refset.security.RefsetAuthenticationProvider;
import org.ihtsdo.otf.refset.security.RefsetIdentityService;
import org.ihtsdo.otf.refset.security.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import com.wordnik.swagger.annotations.Api;
import com.wordnik.swagger.annotations.ApiOperation;

/**Controller to provide authentication and authorization services
 *
 */
@RestController
@Api(value = "Refset User Authentication and Authorization", description = "Service to authenticate & authorize user and get details of user")
@RequestMapping("/v1.0/refsets")
public class UserController {

    private static final Logger logger = LoggerFactory.getLogger(UserController.class);

    private static final String SUCCESS = "Success";

    @Autowired
    RefsetAuthenticationProvider provider;

    @Autowired
    RefsetIdentityService service;

    @RequestMapping(method = RequestMethod.POST, value = "/getUserDetails", produces = "application/json", consumes = "application/json")
    @ApiOperation(value = "Authenticate a user for given username and password provided in request header and returns user details ", notes = "This api call authenticate a user and also authorize a user for Refset app access. Pre-Auth tokens(X-REFSET-PRE-AUTH-USERNAME & X-REFSET-PRE-AUTH-TOKEN)"
            + " supplied in request header, are being used for authentication/authorization. If successful"
            + " it returns an User details object and a authentication token X-REFSET-AUTH-TOKEN as part of response header"
            + " to be used in header of subsequent requests for API handshake")
    @PreAuthorize("hasRole('ROLE_USER')")
    public ResponseEntity<Result<Map<String, Object>>> login() throws Exception {

        logger.debug("authenticating user {}");

        Result<Map<String, Object>> r = Utility.getResult();
        Map<String, Object> data = new HashMap<String, Object>();
        User u = org.ihtsdo.otf.refset.common.Utility.getUserDetails();
        if (StringUtils.isEmpty(u.getGivenname())) {

            Authentication authentication = new UsernamePasswordAuthenticationToken(u, u.getPassword());
            provider.authenticate(authentication);
            u = (User) authentication.getPrincipal();

        }
        u.setPassword(null);//make it empty before sending it in response
        data.put("user", u);
        r.setData(data);

        r.getMeta().setMessage(SUCCESS);
        r.getMeta().setStatus(HttpStatus.OK);

        return new ResponseEntity<Result<Map<String, Object>>>(r, HttpStatus.OK);
    }

}